×

System and method for routing telephone calls

  • US 5,844,896 A
  • Filed: 02/26/1997
  • Issued: 12/01/1998
  • Est. Priority Date: 02/26/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. For use in an Advanced Intelligent Network (AIN) equipped with Terminating Attempt Trigger (TAT) and terminating Next Event List (NEL) functionality and having at least one Central Office Switch (COS) and a Service Control Point (SCP) in electrical communication with a plurality of Subscriber switches via a signaling network, a method of routing a telephone call from a Caller to a Subscriber telephone line, comprising:

  • providing an Intelligent Peripheral (IP) in electrical communication with the at least one COS and the SCP, the IP equipped with queuing functionality for each of the Subscribers;

    monitoring the signaling to detect a TAT trigger;

    launching a query at the SCP for receipt by the IP requesting the queue status of the Subscriber line in response to the detected TAT trigger;

    forwarding the call to the IP to be added to the queue in response to a determination that the queue is active;

    delivering the call to the Subscriber and setting a NEL to determine the status of a Subscriber'"'"'s line in response to a determination that the queue is empty;

    connecting the call to the Subscriber'"'"'s line in response to a determination that the line is idle;

    forwarding the call to the IP to be placed in queue in response to a determination that the Subscriber'"'"'s line is busy;

    monitoring the Subscriber'"'"'s line to notify the SCP when the line is idle;

    placing a call at the IP to the Subscriber in response to a determination that the Subscriber'"'"'s line is idle;

    forwarding answer supervision to the IP in response to the call being answered by the Subscriber; and

    ,transferring and connecting the Subscriber and the Caller at the COS.

View all claims
  • 7 Assignments
Timeline View
Assignment View
    ×
    ×